PH Meter recommendations

[SkiBeagle]

HBC have 4 and 7.01 calibration solution. €7 for 100mL. I calibrate about 8 weeks. I test first to see if it's out.

[bigvalen]

1.Molc
2.Ch ( not a shit one or one that costs over 200!)
3. Oh Crap (not again)
4. Ciaran
5. garciaBernal (the one in the link posted by CH)
6. Qs
7. Bigvalen (same price range as CH)

[Leann ull]

Sorry but you missed out on that on that one group buy done and dusted in members area.